"Fri, 20 Dec 2024 13:35:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
13:35:00
General datetime
2024-12-20 13:35:00Z
For Database
2024-12-20 13:35:00
For HTTP1.1
Fri, 20 Dec 2024 13:35:00 GMT